DIRECTIONAL DERIVATIVE AND GRADIENT OF A MULTIVARIABLE FUNCTION
Keywords:
private derivation, average velocity, angle coefficient of velocity, function, multiplication, differential.Abstract
Nowadays, the science of mathematics is rapidly developing and is applied to almost all sciences and directions, such as physics, economics, engineering and biology.In particular, since the physical-mechanical meaning of the derivative is speed, the meaning of special derivatives of co-variable function is correspondingly the speed in the direction of coordinate axes. It can be seen that not only in the direction of the coordinate axes, that is, the speed of the viewed material point in any direction can be calculated.
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